Last updated: March 24, 2025
January in San Francesco, Italy brings a crisp winter climate characterized by a maximum temperature of 13°C (57°F) and a chilly average of 3°C (38°F), dipping to a brisk minimum of -8°C (17°F). Visitors should prepare for approximately 61 mm (2.4 in) of precipitation over about 8 days, with humidity levels averaging a notable 84%. This weather combination creates a unique atmosphere, perfect for those who enjoy the beauty of winter landscapes and the charm of cozy indoor activities.
In San Francesco, Italy, January presents a wintery landscape characterized by temperatures that range from a brisk -8°C (17°F) at night to a milder daytime high of 13°C (57°F). With an average temperature hovering around 3°C (38°F), the chilly month hints at the deeper cold that often settles in February, where temperatures can dip as low as -12°C (10°F). However, as the month progresses, there's a gentle transition toward the warmth of spring, offering a glimpse of the 5°C (41°F) seen in December and the more delightful 11°C (52°F) expected by April. This gradual warming trend is mirrored throughout the year, suggesting that while January starts off on the colder side, it paves the way for the increasingly temperate climate of the months that follow.
In January, San Francesco experiences a modest precipitation amount of 61 mm (2.4 in), signaling the beginning of the year with relatively light rainfall compared to the months that follow. With precipitation occurring over an average of 8 days, this sets the tone for a winter that is damp but not excessively wet. As February rolls in, the rainfall surges to 105 mm (4.1 in), marking the onset of a wetter season characterized by increased precipitation days. The trend continues into March and April, where rainfall remains substantial, peaking in November with an impressive 143 mm (5.6 in) and 14 days of rainfall, indicating late autumn is far wetter. This pattern highlights a distinct progression through the winter and spring months, with January serving as an entry point to San Francesco's notably rainy climate.
In January, San Francesco experiences its highest humidity levels, peaking at an average of 84%, creating a cool and damp atmosphere that marks the heart of winter. As the months progress into February and March, humidity notably decreases, reaching 76% and 68% respectively, suggesting a subtle shift towards drier conditions. However, by April, the humidity begins to stabilize around 70%, maintaining a moderate level through the spring months. As summer approaches, humidity dips further, hitting its lowest in July and August at 57% and 55%, providing a delightful reprieve from the earlier chill. The transition back to fall sees a rise in humidity again, peaking at 84% in November, only to slightly decrease to 83% in December, hinting at the cyclical nature of San Francesco's climate. This pattern highlights the city’s shift from winter’s moisture-laden air to the dry summer days, before returning to the wetter conditions as the year comes full circle.
In January, San Francesco experiences a UV Index of 2, indicating a low exposure category where the risk of harm from unprotected sun exposure is minimal, allowing for about 45 minutes of safe outdoor activity. As the year progresses, the UV Index steadily rises, peaking at 10 in both June and July, highlighting the shift to very high exposure levels where protective measures become crucial, with burn times shrinking to just 15 minutes. Notably, the transition from winter to summer showcases a clear trend: increasing UV intensity and a decreasing safe exposure time, culminating in the peak summer months. With the UV Index dropping back down to 3 in November and 2 in December, it's evident that protective strategies need to adapt throughout the year. For more details on how to stay sun-safe all year long, check out San Francesco UV Index.
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In January, San Francesco delights in 182 hours of sunshine, providing a refreshing start to the year. As winter transitions toward spring, February sees an increase to 227 hours, hinting at the promise of warmer days ahead. By March, the sun welcomes 311 hours, invigorating the city with blossoming energy. This trend continues into April with 343 hours and further escalates in May, reaching 384 hours, making it a prime time for outdoor explorations. The summer months see the city basking in sunshine, peaking in July at an impressive 432 hours. However, by August, the days gradually shorten to 401 hours, signaling the onset of fall. September maintains a robust 338 hours before the sunshine dwindles in October to 302 hours, and the colder months return with 226 hours in November and 216 hours in December. This captivating cycle showcases San Francesco’s dynamic climate, where each month brings its unique charm under the sun.
In San Francesco, Italy, January heralds the beginning of the year with a modest 25% chance of sunny weather. This likelihood gradually increases as the months progress, with February experiencing a notable rise to 40%, hinting at the promise of brighter days ahead. By March, the sun's presence becomes more assertive with a 62% likelihood, marking a significant shift as winter yields to spring. Interestingly, the chances fluctuate again in April and May but generally maintain a more optimistic outlook heading into the summer months. Overall, while January may be a bit dreary, the sun's emerging presence sets the stage for warmer and sunnier days just around the corner.
In January, San Francisco experiences approximately 9 hours of daylight, a time when the city slowly emerges from the shorter winter days. As the year progresses into February, daylight extends to 10 hours, signaling the gradual shift towards longer sunlit hours. This transformation continues through March and April, as daylight stretches to 11 and 13 hours respectively, inviting residents and visitors alike to embrace the vibrant beauty of spring. The sun reaches its zenith in June and July, providing a generous 15 hours of daylight, perfect for enjoying the city's iconic parks and waterfronts. However, by August, daylight begins to wane, falling to 13 hours and heralding the transition into the cooler months of autumn. As the year closes, November and December bring shorter days once again, with daylight dipping back to 9 and 8 hours. This cyclical pattern not only marks the changing seasons but also enriches the cultural rhythm of San Francisco throughout the year.
As January sweeps into San Francisco, the city welcomes a gentle average wind speed of 2.1 m/s (5 mph), a trend that continues into February. This consistent breeze creates a refreshing atmosphere, perfect for outdoor pursuits. Interestingly, the wind picks up slightly in March, reaching 2.2 m/s (5 mph), only to settle back to its January pace in April. As spring approaches, May nudges the average higher to 2.5 m/s (6 mph), heralding a lively wind season. The winds then soften during the summer months, with June recording a calm 1.6 m/s (4 mph), before maintaining a stable 2.0 m/s through July and August. As the year progresses into autumn, a slight resurgence brings breezier conditions in October and November, yet by December, the winds mellow again, finishing the year at 1.8 m/s (4 mph). Overall, San Francisco's January winds set the stage for a dynamic year, oscillating between lively gusts and serene calm.
The weather in San Francesco changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Francesco and find detailed weather information for every month.
January and February present notable differences in weather patterns. In January, temperatures range from a minimum of -8°C (17°F) to a maximum of 13°C (57°F), with an average of 3°C (38°F). The month experiences about 61 mm (2.4 in) of precipitation spread over 8 days, accompanied by high humidity at 84%. In contrast, February sees slightly lower minimum temperatures at -12°C (10°F) but a higher maximum of 19°C (66°F) and an average temperature of 6°C (43°F). This month is wetter, with precipitation rising to 105 mm (4.1 in) over 11 days, while humidity decreases to 76%. Overall, February tends to be milder during the day yet chillier at night, resulting in a more dynamic weather experience. For more details, check out San Francesco weather in February.
In January, the weather is noticeably colder, with average temperatures hovering around 3°C (38°F) and minimums dipping to -8°C (17°F). The month sees about 61 mm (2.4 in) of precipitation over 8 days, accompanied by high humidity at 84%. In contrast, March experiences a more temperate climate with an average temperature of 7°C (45°F) and a maximum reaching up to 21°C (71°F). While March has slightly more precipitation at 89 mm (3.5 in) over 11 days, the humidity drops to 68%, making the air feel more comfortable. For a detailed look at what to expect, you can check out the San Francesco weather in March.
January and April exhibit stark differences in weather patterns. January experiences colder temperatures, with minimums dipping to -8°C (17°F) and an average of only 3°C (38°F), while the maximum rarely exceeds 13°C (57°F). In contrast, April warms significantly, featuring a minimum of -4°C (26°F) and averaging a comfortable 11°C (52°F), peaking at 24°C (75°F). Additionally, January has higher humidity levels at 84% and less precipitation over 8 days, whereas April sees an increase in rainfall, accumulating 96 mm (3.8 in) across 12 days, but with a lower humidity of 70%. For more detailed insights, you can visit San Francesco weather in April.
January and May present contrasting weather conditions that reflect the transition from winter to spring. In January, temperatures typically range from a chilly min of -8°C (17°F) to a mild max of 13°C (57°F), with an average of 3°C (38°F). The month sees about 61 mm (2.4 in) of precipitation over 8 days, accompanied by high humidity levels at 84%. In stark contrast, May experiences a more favorable climate with temperatures spanning from a minimum of 2°C (37°F) to a maximum of 29°C (84°F) and an average of 15°C (59°F). This month receives significantly more rainfall, totaling 126 mm (5.0 in) over 17 days, but the humidity is lower at 69%. For a closer look at the weather in May, you can explore San Francesco weather in May.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 13°C (57°F) and an average of 3°C (38°F). The month also sees a significant amount of humidity at 84%, with 61 mm (2.4 in) of precipitation spread across 8 days. In stark contrast, June boasts much warmer temperatures, with a minimum of 8°C (47°F) and a maximum reaching 34°C (94°F), averaging around 20°C (68°F). Although June has slightly less precipitation at 58 mm (2.3 in), the humidity is notably lower at 62%, making for a much more comfortable atmosphere. For those interested in experiencing June weather in this region, more information can be found here: San Francesco weather in June.
January and July present a stark contrast in weather conditions. In January, temperatures range from a chilly -8°C (17°F) at their lowest to a comfortable 13°C (57°F) at their peak, with an average of 3°C (38°F). The month typically experiences around 61 mm (2.4 in) of precipitation over 8 days, accompanied by high humidity at 84%. Conversely, July boasts much warmer temperatures, with lows of 11°C (51°F) and highs reaching up to a scorching 35°C (95°F), averaging 22°C (73°F). This summer month sees less precipitation, with about 46 mm (1.8 in) falling over just 6 days, and a significantly lower humidity level of 57%. For more details on summer weather patterns, check out San Francesco weather in July.
January and August showcase stark contrasts in weather. In January, temperatures can drop as low as -8°C (17°F), with an average of 3°C (38°F) and highs reaching 13°C (57°F). This cold month also experiences higher humidity levels at 84% and about 61 mm (2.4 inches) of precipitation over 8 days. In contrast, August brings much warmer conditions, with minimum temperatures of 11°C (52°F), an average of 23°C (73°F), and maximums soaring to 34°C (94°F). The humidity decreases significantly to 55%, and precipitation is lighter at 43 mm (1.7 inches) over just 7 days. To explore more about the August weather in this region, check out San Francesco weather in August.
January and September showcase a distinct contrast in weather conditions. January is characterized by cold temperatures, with a minimum of -8°C (17°F) and an average of just 3°C (38°F), while September experiences milder warmth, ranging from a minimum of 5°C (42°F) to a maximum of 29°C (84°F) and an average of 18°C (65°F). Precipitation levels are notably higher in September, totaling 83 mm (3.3 in) over 10 days compared to January's 61 mm (2.4 in) over 8 days. Additionally, the humidity in January stands at a high 84%, creating a chillier atmosphere, whereas September's humidity drops to a more comfortable 66%. For more detailed information on September weather, you can check San Francesco weather in September.
When comparing the weather in January and October, we observe a marked shift in temperatures and precipitation patterns. In January, temperatures range from a chilly -8°C (17°F) to a mild 13°C (57°F), with an average of 3°C (38°F), accompanied by 61 mm (2.4 in) of precipitation over about 8 days. The humidity during this month is high at 84%, contributing to a cold and damp atmosphere.
In contrast, October offers a more temperate climate, with temperatures starting at 3°C (38°F) and reaching a warm 24°C (75°F), averaging around 13°C (56°F). Precipitation increases to 94 mm (3.7 in) over about 10 days, but the humidity is slightly lower at 79%. This transition from the winter chill of January to the mild autumn of October highlights the significant seasonal differences. For more detailed information, you can check San Francesco weather in October.
January weather is generally colder than November, with average temperatures ranging from a minimum of -8°C (17°F) to a maximum of 13°C (57°F), while November sees milder averages with minimums of -2°C (29°F) and maximums reaching 18°C (64°F). Additionally, November experiences significantly more precipitation, totaling 143 mm (5.6 in) over 13 days compared to January's 61 mm (2.4 in) over just 8 days. Despite both months maintaining a humidity level of 84%, the overall conditions in November are generally wetter and warmer, making it a more temperate time of year. For a closer look at the weather in San Francesco during November, check this link: San Francesco weather in November.
In comparing the weather between January and December, January typically experiences slightly colder temperatures, with a minimum of -8°C (17°F) compared to December's -5°C (23°F). The average temperature in January is 3°C (38°F), while December sees a milder average of 5°C (41°F). While both months exhibit a maximum temperature close to 14°C (58°F), December is notably wetter, receiving 138 mm (5.4 inches) of precipitation over 14 days, compared to January's 61 mm (2.4 inches) over 8 days. The humidity levels are similar, with January at 84% and December at 83%. For more details on December weather, visit San Francesco weather in December.
In January, San Francesco experiences a unique blend of chilly temperatures and high humidity, setting it apart from the more temperate months of the year. With a maximum temperature hovering around 13°C (57°F), it’s significantly cooler compared to the balmy summer days. Precipitation is also noteworthy during this month, with a total of 61 mm spread over 8 days, making it one of the wetter times of the year. The high humidity level of 84% adds to the crisp, brisk atmosphere, creating a distinct winter charm. For a deeper understanding of how these conditions fit into the overall climate patterns, explore San Francesco Climate.